Robert Card, the person of interest being pursued by law enforcement in Maine, “recently reported mental health issues, including hearing voices,”  according to the Sun Journal.

Breitbart News reported law enforcement identified 40-year-old Card as a person of interest Wednesday night and CNN noted law enforcement indicated Card is “a certified firearms instructor and a member of the US Army Reserves.”

At least 22 people were reportedly killed Wednesday in separate alleged shootings in Lewiston, Maine.

A manhunt for Card was underway Wednesday night and the Sun Journal observed “by Thursday morning, more than 100 state and federal law enforcement officials were participating in the manhunt for Card.”

WATCH: CNN’s Coates — Maine Shooter Picked ‘Soft Targets’ Where He Didn’t Think He’d Get a Response, Didn’t Pick a Gun Range

Maine State Police spokesperson Shannon Moss released an alert that stated, “There is an active shooter situation in the city of Lewiston. Law enforcement is asking people to shelter in place. Please stay inside your home with the doors locked.”

Moss also indicated, “If you see any suspicious activity or individuals, please call 911.”

CNN pointed out that Card “recently made threats to carry out a shooting at a National Guard facility in Saco, Maine.”

AWR Hawkins is an award-winning Second Amendment columnist for Breitbart News and the writer/curator of Down Range with AWR Hawkins, a weekly newsletter focused on all things Second Amendment, also for Breitbart News. He is the political analyst for Armed American Radio and a Turning Point USA Ambassador. He was a Visiting Fellow at the Russell Kirk Center for Cultural Renewal in 2010, a speaker at the 2023 Western Conservative Summit, and he holds a Ph.D. in Military History, with a focus on the Vietnam War (brown water navy), U.S. Navy since Inception, the Civil War, and Early Modern Europe. Follow him on Instagram: @awr_hawkins. You can sign up to get Down Range at breitbart.com/downrange. Reach him directly at awrhawkins@breitbart.com.